Drive Chains; Tensioning The Drive Chains - Krone Fortima F 1250 Original Operating Instructions

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13.12

Drive chains

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WARNING! – Danger of entanglement in the drive chains!
Effect: Risk of injury caused by entanglement of loose long hair or loose clothing.
• After working on the chains, always reassemble or close the safety devices.
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All work chains, with the exception of those on the double twine guide, are supplied with oil
through the central chain lubrication system.
Since the lubricating oil lines are not charged with high pressure, it may happen that they
become clogged. Because of this, the lubricating oil lines should be checked daily before they
are used to ensure they are working properly.
The method of operation of the central chain lubrication system is explained in section "Default
settings and operation".
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Tensioning the Drive Chains

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Fig. 255
Front Floor Conveyor Drive
The front floor conveyor drive is located on the left side of the machine.
To check the chain tension:
The length of the spring when tightened must be a = 80 - 90 mm
To correct the chain tension:
• Unscrew the counter nut (1).
• Turn the nut (2) until dimension a = 80 - 90 mm is set.
• Tighten the counter nut (1).
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a
2
1
RBV05020
Maintenance
295